Japan Flora: Stems creeping, much branched, forming small dense mats, the branchlets short, ascending, dark gray-green; leaves persistent, all alike, multifarious, subulate-linear, 1-1.3 mm. long, about 0.3 mm. wide, acute, ciliate, appressed or ascending, incurved and white- filiform at tip, narrowly and deeply grooved on back, slightly concave on inner side; spikes as thick as the sterile ones, 4- angled, the bracts narrowly deltoid-ovate, about 1.5 mm. long, ciliate, short awn-tipped; megaspores with prominent primary and secondary reticulations. Rocks in mountains;

Hokkaido, Honshu (Tango, Yamato and Iwashiro Prov. northeastw.); rare. Sakhalin and s. Kuriles.

Russia Flora: Plant up to 2 cm tall. Horizontal branches 1.5 mm wide, creeping, highly-branched and forming small dense tufts. Vertical branches ascending. Phyllodia homogeneous, spirally arranged, linear-acicular, flat, with a groove on the back, 1.3-1.5 mm long, about 0.3 mm wide, appressed to the stem or ascending, with a white filiform point at the apex. Strobiloids up to 2 cm long. Sporophylloids 2 mm long, 0.5 mm wide, carinate (keeled). 

Northern Sakhalin, Amur, Ussuri, Southern Sakhalin, Southern Kuril Islands — In open places, on dry, well-drained areas from lowlands to the alpine belt. VIII-IX. — General distribution: Japan-China (Japan — islands of Hokkaido and Honshu).